What is the polar form of $( 11,14 )$ ?

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Answer 1 · 2017-01-19T19:47:38

$(11,14)$ in rectangular coordinates is $(17.81, 51.84^o)$ in polar coordinates (2dp)

If we have $P(x,y) = (11,14)$ , then:

Using trigonometry;

$tan theta = y/x = 14/11 => theta = 51.84^o$ (2dp)

By Pythagorous

$r^2 = 11^2+14^2 = 121 + 196 = 317 => r = 17.81$ (2dp)

What is the polar form of ( 11,14 )( 11,14 )?